<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <input type="text">
    <button>添加</button>
    <ul></ul>
    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
    <script>
        const url = 'http://www.liulongbin.top:3006/api/getbooks';
        const url1 = 'http://www.liulongbin.top:3006/api/addbook';
        const inp = document.querySelector('input');
        const btn = document.querySelector('button');
        btn.addEventListener('click', function () {
            axios({
                method: 'post',
                url: url1,
                data: {
                    bookname: inp.value,
                    author: '施耐庵',
                    publisher: '天津图书出版社',
                }
            }).then((res) => {
                axios({
                    method: 'get',
                    url,
                }).then((res) => {
                    if (res.data.status === 502) {
                        return;
                    }
                    const ul = document.querySelector('ul');
                    ul.innerHTML = '';
                    for (const item of res.data.data) {
                        const li = document.createElement('li');
                        li.innerText = item.bookname;
                        ul.appendChild(li);
                    }
                })
            })
        })
    </script>
</body>
</html>